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Table 3 Distribution of numbers of events in parsimonious scenarios for randomized trees.

From: Algorithms for computing parsimonious evolutionary scenarios for genome evolution, the last universal common ancestor and dominance of horizontal gene transfer in the evolution of prokaryotes

Gain penalty (g)

Numbers of events (mean/standard-deviation)

 

Total

Loss

HGT

LUCA

g = 1

14446 / 180

5707 / 318

5543 / 223

650 / 42

Random g values: 0.750 – 1.250

14489 / 199

4498 / 1604

6825 / 1582

476 / 176

Random g values: 0.750–0.997

14479 / 227

2734 / 221

8578 / 185

289 / 30

Random g values: 1.002–1.230

14497 / 181

5847 / 420

5484 / 318

620 / 71